# Slim Python image FROM python:3.12-slim ENV PYTHONDONTWRITEBYTECODE=1 \ PYTHONUNBUFFERED=1 # System deps for pip & curl (for healthcheck) RUN apt-get update && apt-get install -y --no-install-recommends \ build-essential curl \ && rm -rf /var/lib/apt/lists/* WORKDIR /app COPY requirements.txt . RUN pip install --no-cache-dir -r requirements.txt COPY . . # Default port used by the app ENV FLET_PORT=8080 EXPOSE 8080 # Simple health endpoint is the root HEALTHCHECK --interval=30s --timeout=3s --retries=3 CMD curl -fsS http://127.0.0.1:8080/ || exit 1 CMD ["python", "main.py"]